نتایج جستجو برای: dental radiography

تعداد نتایج: 179016  

Journal: :Japanese Journal of Applied Physics 2022

Abstract This review paper discusses the basics of optically stimulated luminescence (OSL) phenomenon, phosphors for OSL, functional design OSL phosphors, and application areas such as radiation dose monitoring individual environmental, computed radiography medical dental diagnosis, dating, security, archaeological autoradiography drug discovery. Finally, future prospects phenomenon passive-typ...

2011
Julian Holmes Edward Lynch

The detection of dental decay has conventionally been dependent upon direct visual assessment of the dried tooth surface under good illumination, tactile assessment of open dental caries using a probe to help clean debris within fissures, clinical experience and the use of dental radiography. Studies have shown considerable variation berween clinicians in the detection of dental caries. Recent ...

Journal: :Applied sciences 2021

Background: Panoramic radiography creates distortion in teeth position and inclination especially lateral areas of the arches due to acquisition curved shape dental arch. The aim this study was evaluate panoramic compared cone-beam computed tomography. Methods: Mesiodistal angulations were measured on radiography. buccolingual inclinations determined tomography scans. previous measurements then...

2016
Anindita Saha Asish Kumar Das Vineet Nair

Dental radiology has long played an exciting and critical diagnostic role in dentistry. Recent decades have seen the development of computed tomography (CT), magnetic resonance imaging (MRI), nuclear medicine and ultrasonography imaging modalities that have revolutionized dental and medical diagnosis. 1 Despite the development of these novel imaging modalities, the role of conventional radiogra...

Journal: :iranian endodontic journal 0
mohsen bahmani alireza adl samane javanmardi sina naghizade

a 20-year-old man presented with the history of pain and swelling in the anterior maxillary segment. the periapical radiography was indicative of a dental anomaly in right maxillary lateral incisor. due to the insufficient information from conventional radiography, cone-beam computed tomography (cbct) was ordered. cbct showed apical root resorption, large apical lucency and two separate canals ...

Introduction: Although proximal dental caries are very common, clinical examinations cannot detect them all. Panoramic radiography has been widely used in dentistry for both diagnosis and screening. This study aimed to investigate and compare the efficacy of two digital panoramic radiography techniques in the diagnosis of proximal caries. Methods: A total number of 60 patients referred to a den...

Journal: :The West Indian medical journal 2005
A S Ramsaran S Barclay E Scipio C Ogunsalu

Multiple supernumerary teeth affecting all four quadrants of the jaw are a rare dental anomaly which has become a chance finding on routine dental panoramic tomography (DPT). In this paper, two cases from the English-speaking Caribbean are reported. The role of radiography in the diagnosis and management of this rare developmental dental anomaly is emphasized. The paper stresses the importance ...

2003
Allan G. Farman

Developmental anomalies in tooth structure can involve dental enamel, dentin, pulp, cementum, or a combination of these tissues. While relatively precise typing of some of these anomalies is now possible using techniques in molecular biology, radiography remains important in the assessment of phenotypic manifestations and is often essential in treatment-planning for esthetics and function of de...

2011
Julio Cezar de Melo Castilho Roberto Hiroshi Matsui Miriam Yumi Matsui Mônica Fernandes Gomes

Objective – Technological improvement is usually followed by comparisons between conventional and new. Those who work with radiographic assessment, such as cephalometric analysis for orthodontic diagnosis, have been living a new challenging and learning phase since the introduction of digital images. It is possible to obtain reproducible and clear images with digital radiography, but radiograph...

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